JP3124079B2 - Endoscope treatment instrument raising device - Google Patents
Endoscope treatment instrument raising deviceInfo
- Publication number
- JP3124079B2 JP3124079B2 JP03289989A JP28998991A JP3124079B2 JP 3124079 B2 JP3124079 B2 JP 3124079B2 JP 03289989 A JP03289989 A JP 03289989A JP 28998991 A JP28998991 A JP 28998991A JP 3124079 B2 JP3124079 B2 JP 3124079B2
- Authority
- JP
- Japan
- Prior art keywords
- treatment instrument
- distal end
- insertion channel
- endoscope
- treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00098—Deflecting means for inserted tools
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、処置具挿通チャンネ
ル内に挿通されて内視鏡挿入部の先端から突出する処置
具類の先端部分の突出方向を変えるための内視鏡の処置
具起上装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a treatment tool for an endoscope for changing the projecting direction of a distal end portion of a treatment tool inserted through a treatment instrument insertion channel and protruding from a distal end of an endoscope insertion portion. Related to the upper device.
【０００２】[0002]
【従来の技術】従来の内視鏡の処置具起上装置は、一般
に、金属製の処置具起上片を先端部本体に回動自在また
は摺動自在に設けて、処置具起上片に連結した操作ワイ
ヤを遠隔的に進退操作することによって処置具起上片を
動作させて処置具類の突出方向を変えるようにしてい
た。2. Description of the Related Art A conventional treatment instrument raising device for an endoscope generally has a treatment instrument raising piece made of metal provided rotatably or slidably on a distal end main body. By remotely moving the connected operation wire, the treatment instrument raising piece is operated to change the protruding direction of the treatment tools.
【０００３】[0003]
【発明が解決しようとする課題】しかし、回動又は摺動
自在に先端部本体に設けられた処置具起上片と先端部本
体との間には、臨床検査時に汚物が付着しやすい。しか
もその汚物を完全に洗浄するのは非常に難しいので、内
視鏡を介して患者間感染が発生するおそれがあった。However, during the clinical examination, dirt tends to adhere between the treatment instrument raising piece provided on the distal end body rotatably or slidably and the distal end body. Moreover, since it is very difficult to completely clean the waste, there is a risk that infection between patients may occur through an endoscope.
【０００４】また、操作ワイヤが挿通されたワイヤガイ
ドと操作ワイヤとの間の隙間にも汚物が進入しやすく
て、その洗浄をするのは容易ではない。そこでこの発明
は、臨床検査後の洗浄が容易で清潔な状態を容易に保つ
ことができる内視鏡の処置具起上装置を提供することを
目的とする。Further, dirt easily enters a gap between the wire guide through which the operation wire is inserted and the operation wire, and it is not easy to clean the same. Accordingly, an object of the present invention is to provide a treatment instrument raising device for an endoscope that can be easily cleaned after a clinical test and can easily maintain a clean state.
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
め、本発明の内視鏡の処置具起上装置は、処置具類を挿
通するための処置具挿通チャンネルを内視鏡挿入部内に
挿通配置し、上記処置具挿通チャンネルの先端を上記内
視鏡挿入部の先端において自由端にしてその自由端から
間隔をあけた位置で上記処置具挿通チャンネルを上記内
視鏡挿入部の先端に係止して、上記処置具挿通チャンネ
ルの先端開口の周囲と上記内視鏡挿入部の先端との間を
可撓性のあるシール手段によって水密にシールするとと
もに、遠隔的に進退操作される操作ワイヤを上記シール
手段の内側において上記処置具挿通チャンネルの先端付
近に連結して、上記操作ワイヤを進退操作することによ
り上記処置具挿通チャンネルの先端の向きを変えるよう
にしたことを特徴とする。In order to achieve the above-mentioned object, a treatment instrument raising device for an endoscope according to the present invention includes a treatment instrument insertion channel for inserting treatment tools in an endoscope insertion portion. The treatment instrument insertion channel is inserted into the distal end of the endoscope insertion section at a position spaced from the free end with the distal end of the treatment instrument insertion channel being a free end at the distal end of the endoscope insertion section. The operation of locking and sealing the space between the distal end opening of the treatment instrument insertion channel and the distal end of the endoscope insertion portion in a watertight manner by flexible sealing means, and remotely operating the retractable operation A wire is connected to the vicinity of the distal end of the treatment instrument insertion channel inside the sealing means, and the direction of the distal end of the treatment instrument insertion channel is changed by operating the operation wire forward and backward. To.
【０００６】なお、上記処置具挿通チャンネルの先端の
向きを複数の異なる平面上で変えることができるように
複数の操作ワイヤを上記処置具挿通チャンネルの先端に
連結してもよい。A plurality of operation wires may be connected to the distal end of the treatment instrument insertion channel so that the direction of the distal end of the treatment instrument insertion channel can be changed on a plurality of different planes.
【０００７】[0007]
【実施例】図面を参照して実施例を説明する。図３は、
可撓性のある内視鏡挿入部１０の先端に連結された先端
部本体１の平面図であり、図４、図５および図６は、そ
のIV−IV断面、Ｖ−Ｖ断面、およびVI−VI断面を示して
いる。An embodiment will be described with reference to the drawings. FIG.
FIG. 4 is a plan view of the distal end main body 1 connected to the distal end of the flexible endoscope insertion section 10, and FIGS. 4, 5, and 6 show the IV-IV section, the VV section, and the VI section, respectively. 6 shows a VI section.
【０００８】観察光学系２と照明光学系３とは側方に向
けて先端部本体１に併設されており、図４は観察光学系
２を示し、図５は照明光学系３を示している。図４に示
されるように、対物レンズ２１の結像位置には固体撮像
素子２２が配置され、基板２３に接続されたケーブル２
４によって画像信号などが伝送される。また、図５に示
されるように、照明光を伝達するライトガイドファイバ
バンドル３１の射出端３１ａには直角プリズム３２が配
置されていて、照明光を側方の観察方向に向けている。The observation optical system 2 and the illumination optical system 3 are provided side-by-side with the distal end body 1. FIG. 4 shows the observation optical system 2, and FIG. 5 shows the illumination optical system 3. . As shown in FIG. 4, a solid-state imaging device 22 is disposed at an image forming position of the objective lens 21, and a cable 2 connected to a substrate 23 is provided.
4 transmits an image signal and the like. As shown in FIG. 5, a right-angle prism 32 is disposed at the exit end 31a of the light guide fiber bundle 31 that transmits the illumination light, and directs the illumination light to a side observation direction.
【０００９】図６に示されるように、ケーブル２４とラ
イトガイドファイババンドル３１とは先端部本体１の上
半部に配置されており、先端部本体１の下半部の中央位
置には処置具類を挿通するための処置具挿通チャンネル
４１が、内視鏡挿入部１０内に全長にわたって挿通配置
されている。７および８は、送気および送水用のチュー
ブ、４２は、後述する処置具起上操作ワイヤである。As shown in FIG. 6, the cable 24 and the light guide fiber bundle 31 are disposed in the upper half of the distal end main body 1, and the treatment tool is located at the center of the lower half of the distal end main body 1. A treatment tool insertion channel 41 for inserting a kind is inserted and arranged in the endoscope insertion portion 10 over the entire length. 7 and 8 are tubes for air supply and water supply, and 42 is a treatment instrument raising operation wire described later.
【００１０】図１は、図３におけるＩ−Ｉ断面を示して
おり、５１は、内視鏡挿入部１０の先端に屈曲自在に設
けられた湾曲部５を形成する節輪、５２は湾曲操作ワイ
ヤである。FIG. 1 shows a cross section taken along the line II of FIG. 3, wherein reference numeral 51 denotes a node ring forming a bending portion 5 provided at the tip of the endoscope insertion portion 10 so as to be freely bent, and 52 denotes a bending operation. It is a wire.
【００１１】処置具挿通チャンネル４１は先端部本体１
に貫通して穿設された孔１ａ内に挿通されて、その外周
面が孔１ａに接合されている。そして、処置具挿通チャ
ンネル４１の先端部分４１ａは、先端部本体１の前方に
突出して設けられて自由端になっており、自由にその向
きを変えることができる。The treatment instrument insertion channel 41 is provided at the distal end main body 1.
Is inserted through a hole 1a formed so as to penetrate the hole 1a, and the outer peripheral surface thereof is joined to the hole 1a. The distal end portion 41a of the treatment instrument insertion channel 41 is provided to protrude forward of the distal end portion main body 1 and is a free end, and can freely change its direction.
【００１２】４３は、処置具挿通チャンネル４１の先端
開口の周囲と先端部本体１の前端部外周とに緊縛接合に
よって水密的に固着されて、その間の部分に外部から水
が入らないようにシールするための可撓性および弾力性
のあるのあるゴムカバーであり、フッ素ゴムまたはシリ
コンゴムなどによって形成されている。Reference numeral 43 denotes a watertight seal between the periphery of the distal end opening of the treatment instrument insertion channel 41 and the outer periphery of the front end of the distal end main body 1 by tight binding, and a seal is provided to prevent water from entering the portion therebetween. This is a flexible and resilient rubber cover, and is made of fluorine rubber or silicon rubber.
【００１３】処置具挿通チャンネル４１の先端外面には
金具４４が固着されていて、ゴムカバー４３内におい
て、その金具４４に処置具起上操作ワイヤ４２の先端が
取り付けられている。A metal fitting 44 is fixed to the outer surface of the distal end of the treatment instrument insertion channel 41, and the distal end of the treatment instrument raising operation wire 42 is attached to the metal fitting 44 in the rubber cover 43.
【００１４】この処置具起上操作ワイヤ４２は、先端部
本体１内から内視鏡挿入部１０内全長を通って、図示さ
れていない操作部まで達していて、操作機構によって遠
隔的に進退操作される。４５は、処置具起上操作ワイヤ
４２を案内する密着巻きのコイルパイプである。The treatment instrument raising operation wire 42 extends from the inside of the distal end portion main body 1 through the entire length of the endoscope insertion section 10 to an operation section (not shown), and is remotely advanced and retracted by an operation mechanism. Is done. Reference numeral 45 denotes a tightly wound coil pipe for guiding the treatment instrument raising operation wire 42.
【００１５】そして、この処置具起上操作ワイヤ４２を
操作部側から牽引すると、図２に示されるように、処置
具挿通チャンネル４１の自由端である先端部分４１ａが
上方に引っ張られてその向きが変わり、その中に挿通さ
れて前方に突出される処置具類の突出方向を、上向きに
任意の角度振ることができる。When the treatment instrument raising operation wire 42 is pulled from the operation section side, as shown in FIG. 2, the distal end portion 41a, which is the free end of the treatment instrument insertion channel 41, is pulled upward and its direction is changed. Is changed, and the protruding direction of the treatment tool that is inserted therein and protruded forward can be swung upward by an arbitrary angle.
【００１６】このように構成された実施例の内視鏡の処
置具起上装置においては、処置具類の突出方向を変える
ための処置具起上片として処置具挿通チャンネル４１が
そのまま用いられていて、処置具は処置具挿通チャンネ
ル４１の内面以外には触れないので、使用によってそこ
に汚物が溜まるようなことがなく、付着した汚物は洗い
流すだけで簡単に洗浄することができる。In the treatment instrument raising device of the endoscope of the embodiment configured as described above, the treatment instrument insertion channel 41 is used as it is as a treatment instrument raising piece for changing the projecting direction of the treatment tools. Since the treatment tool does not touch any part other than the inner surface of the treatment tool insertion channel 41, there is no accumulation of dirt in the treatment device, and the attached dirt can be easily washed by merely washing away.
【００１７】また、処置具挿通チャンネル４１の外面と
処置具起上操作ワイヤ４２は、ゴムカバー４３によって
外部からシールされているので、これらの部分には汚物
が全く触れず、汚染の心配や洗浄の必要が無い。Further, since the outer surface of the treatment tool insertion channel 41 and the treatment tool elevating operation wire 42 are sealed from the outside by the rubber cover 43, these portions are not contacted with any dirt at all, and there is no fear of contamination or cleaning. There is no need for
【００１８】図７は、本発明の第２の実施例を示してお
り、第１の実施例の金具４４にさらに、操作部からの遠
隔操作によって進退操作される左右一対の処置具起上操
作ワイヤ４８，４９を付加したものである。このように
することによって、処置具挿通チャンネル４１の先端部
分４１ａを左右方向にも任意に向けることができ、処置
具類の突出方向をより自由にコントロールすることがで
きる。FIG. 7 shows a second embodiment of the present invention. In addition to the fitting 44 of the first embodiment, a pair of left and right treatment instrument raising operations which are advanced and retracted by remote operation from an operation unit are provided. Wires 48 and 49 are added. By doing so, the distal end portion 41a of the treatment instrument insertion channel 41 can be arbitrarily directed in the left-right direction, and the protruding direction of the treatment instruments can be controlled more freely.
【００１９】[0019]
【発明の効果】本発明の内視鏡の処置具起上装置によれ
ば、処置具類の突出方向を変えるための処置具起上片と
して処置具挿通チャンネルの先端部分がそのまま用いら
れているので、汚物のたまり場がなく、処置具挿通チャ
ンネルの内面に付着した汚物は使用後に簡単に洗浄する
ことができて、清潔な状態を容易に保つことができる。According to the treatment instrument raising apparatus for an endoscope of the present invention, the distal end portion of the treatment instrument insertion channel is used as it is as a treatment instrument raising piece for changing the direction in which the treatment tools protrude. Therefore, there is no accumulation of dirt, and dirt adhering to the inner surface of the treatment instrument insertion channel can be easily washed after use, and a clean state can be easily maintained.
【００２０】また、シール手段によって処置具挿通チャ
ンネルの先端開口の周囲と挿入部先端との間が水密にシ
ールされているので、処置具挿通チャンネルの外面や操
作ワイヤ等にも汚物が全く付着せず、使用後にそれらを
洗浄する必要もなくて極めて清潔である。Further, since the space between the periphery of the distal end opening of the treatment instrument insertion channel and the distal end of the insertion portion is sealed in a water-tight manner by the sealing means, no dirt is attached to the outer surface of the treatment instrument insertion channel, the operation wire, or the like. And is extremely clean without the need to wash them after use.
【図１】第１の実施例の側面断面図（図３におけるＩ−
Ｉ断面図）である。FIG. 1 is a side cross-sectional view of a first embodiment (I-
I sectional view).
【図２】第１の実施例の動作状態の側面断面図である。FIG. 2 is a side sectional view of an operation state of the first embodiment.
【図３】第１の実施例の平面図である。FIG. 3 is a plan view of the first embodiment.
【図４】第１の実施例のIV−IV断面図である。FIG. 4 is a sectional view taken along line IV-IV of the first embodiment.
【図５】第１の実施例のＶ−Ｖ断面図である。FIG. 5 is a sectional view taken along line VV of the first embodiment.
【図６】第１の実施例のVI−VI断面図である。FIG. 6 is a sectional view taken along line VI-VI of the first embodiment.
【図７】第２の実施例の平面部分断面図である。FIG. 7 is a partial plan sectional view of a second embodiment.
１０ 内視鏡挿入部 ４１ 処置具挿通チャンネル ４２ 処置具起上操作ワイヤ ４３ ゴムカバー（シール手段） Reference Signs List 10 Endoscope insertion part 41 Treatment tool insertion channel 42 Treatment tool raising operation wire 43 Rubber cover (sealing means)
Claims (2)
ンネルを内視鏡挿入部内に挿通配置し、上記処置具挿通
チャンネルの先端を上記内視鏡挿入部の先端から突出す
る自由端にしてその自由端から間隔をあけた位置で上記
処置具挿通チャンネルを上記内視鏡挿入部の先端に係止
し、上記処置具挿通チャンネルの先端開口全周と上記内
視鏡挿入部の先端との間を可撓性のあるシールカバーに
よって水密にシールするとともに、遠隔的に進退操作さ
れる操作ワイヤを上記シールカバーの内側において上記
処置具挿通チャンネルの先端付近に連結して、上記操作
ワイヤを進退操作することにより上記処置具挿通チャン
ネルの先端の向きを変えるようにしたことを特徴とする
内視鏡の処置具起上装置。1. A treatment tool insertion channel for inserting treatment tools is inserted into an endoscope insertion portion, and a distal end of the treatment instrument insertion channel projects from a distal end of the endoscope insertion portion.
The free end engaging the treatment instrument insertion channel at a location spaced from its free end to the distal end of the endoscope insertion portion that
A flexible seal cover is used to seal the space between the entire circumference of the distal end opening of the treatment instrument insertion channel and the distal end of the endoscope insertion portion, and the remote operation operation is performed. The operation wire is connected to the vicinity of the distal end of the treatment instrument insertion channel inside the seal cover , and the direction of the distal end of the treatment instrument insertion channel is changed by moving the operation wire forward and backward. Endoscope treatment tool raising device.
複数の異なる平面上で変えることができるように複数の
操作ワイヤが上記処置具挿通チャンネルの先端に連結さ
れている請求項１記載の内視鏡の処置具起上装置。2. The apparatus according to claim 1, wherein a plurality of operation wires are connected to the distal end of the treatment instrument insertion channel so that the direction of the distal end of the treatment instrument insertion channel can be changed on a plurality of different planes. Endoscope treatment instrument raising device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03289989A JP3124079B2 (en) | 1991-11-06 | 1991-11-06 | Endoscope treatment instrument raising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03289989A JP3124079B2 (en) | 1991-11-06 | 1991-11-06 | Endoscope treatment instrument raising device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05123288A JPH05123288A (en) | 1993-05-21 |
| JP3124079B2 true JP3124079B2 (en) | 2001-01-15 |
Family
ID=17750343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03289989A Expired - Fee Related JP3124079B2 (en) | 1991-11-06 | 1991-11-06 | Endoscope treatment instrument raising device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3124079B2 (en) |
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| JP4538158B2 (en) * | 2001-01-29 | 2010-09-08 | Ｈｏｙａ株式会社 | Side view of electronic endoscope |
| JP4495527B2 (en) * | 2004-06-09 | 2010-07-07 | 富士フイルム株式会社 | Endoscope |
| EP3158912A4 (en) * | 2014-07-28 | 2018-02-14 | Olympus Corporation | Endoscope |
| CN106793922B (en) * | 2015-01-15 | 2018-10-30 | 奥林巴斯株式会社 | Outer tube |
| WO2016204252A1 (en) * | 2015-06-18 | 2016-12-22 | オリンパス株式会社 | Endoscope |
| JP2018047030A (en) | 2016-09-21 | 2018-03-29 | 富士フイルム株式会社 | Endoscope |
-
1991
- 1991-11-06 JP JP03289989A patent/JP3124079B2/en not_active Expired - Fee Related
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| US10989912B2 (en) | 2014-09-23 | 2021-04-27 | Scott Miller | Optical coupler for optical imaging visualization device |
| US11428922B2 (en) | 2014-09-23 | 2022-08-30 | Scott Miller | Optical coupler for optical imaging visualization device |
| US10642020B2 (en) | 2014-09-23 | 2020-05-05 | Scott Miller | Optical coupler for optical imaging visualization device |
| US11782257B2 (en) | 2014-09-23 | 2023-10-10 | Scott Miller | Optical imaging device |
| US10548467B2 (en) | 2015-06-02 | 2020-02-04 | GI Scientific, LLC | Conductive optical element |
| US11666208B2 (en) | 2015-06-02 | 2023-06-06 | GI Scientific, LLC | Conductive optical element |
| US10856724B2 (en) | 2015-07-21 | 2020-12-08 | GI Scientific, LLC | Endoscope accessory with angularly adjustable exit portal |
| US11253137B2 (en) | 2015-07-21 | 2022-02-22 | GI Scientific, LLC | Endoscope accessory with locking elements |
| US11019984B2 (en) | 2015-07-21 | 2021-06-01 | GI Scientific, LLC | Endoscope accessory with angularly adjustable exit portal |
| AU2020289889B2 (en) * | 2015-07-21 | 2022-12-01 | GI Scientific, LLC | Endoscope accessory with angularly adjustable exit portal |
| EP3324820A4 (en) * | 2015-07-21 | 2019-04-03 | GI Scientific LLC | Endoscope accessory with angularly adjustable exit portal |
| AU2016297077B2 (en) * | 2015-07-21 | 2020-10-22 | GI Scientific, LLC | Endoscope accessory with angularly adjustable exit portal |
| US11882999B2 (en) | 2015-07-21 | 2024-01-30 | GI Scientific, LLC | Coupler device for an endoscope |
| US11910999B2 (en) | 2015-07-21 | 2024-02-27 | GI Scientific, LLC | Endoscope accessory with locking elements |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05123288A (en) | 1993-05-21 |
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